#!/bin/sh
# 此文件与教材上相差不大，故正文不添加任何注释

var="Hello Everyone"
echo $var
echo "The program $0 is now running"
echo "The second parameter was $2"
echo "The var itself was $1"
echo "The parameter list was $*"
echo "Your home directory is $HOME"
echo "Please enter a new variable"
read var

echo "var has changed into $var, and the script is now complete"
exit 0
